Finding the Fourth Proportional to 11,055,997.97, 15,257,291.82 and 6,161,112.65
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Solution
The fourth proportional to 11,055,997.97, 15,257,291.82 and 6,161,112.65 is: 8,502,343.60
Step by Step Solution
- Step 1: Write the proportion equation
11,055,997.97 : 15,257,291.82 = 6,161,112.65 : x - Step 2: Convert to fraction form
11,055,997.97/15,257,291.82 = 6,161,112.65/x - Step 3: Cross multiply
11,055,997.97x = 15,257,291.82 × 6,161,112.65 - Step 4: Simplify right side
11,055,997.97x = 94,001,893,560,657.06 - Step 5: Solve for x
x = 94,001,893,560,657.06/11,055,997.97 - Step 6: Final answer
x = 8,502,343.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.